* @param dstIndex starting index
     * @return number of bytes written
     */
    public int encode(byte[] dst, int dstIndex) {
        SMBUtil.writeInt8(offset, dst, dstIndex);
        SMBUtil.writeInt4(token, dst, dstIndex + 8);
        SMBUtil.writeInt4(length, dst, dstIndex + 12);
        return 16;
    }

    /**
     * Decode from byte array
     *
     * @param buffer source buffer

        this(encode(ts));
    }

    /**
     * @param ts
     * @return
     */
    private static byte[] encode(final long ts) {
        final byte[] data = new byte[8];
        SMBUtil.writeInt8(ts, data, 0);
        return data;
    }

    /**
     * Gets the timestamp value from this AV pair
     *
     * @return the timestamp
     */
    public long getTimestamp() {

     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt8(this.timeout, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt4(this.nameBytes.length, dst, dstIndex);
        dstIndex += 4;

        dst[dstIndex] = (byte) (this.timeoutSpecified ? 0x1 : 0x0);
        dstIndex++;

        dstIndex += 2;
        SMBUtil.writeInt2(this.token != null ? this.token.length : 0, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt8(this.previousSessionId, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, offsetOffset);

        dstIndex += pad8(dstIndex);

        if (this.token != null) {

            System.arraycopy(SMBUtil.SMB2_HEADER, 0, buffer, 0, 4);
            // Set up async message fields
            SMBUtil.writeInt4(ServerMessageBlock2.SMB2_FLAGS_ASYNC_COMMAND, buffer, 16); // flags with async
            SMBUtil.writeInt8(789L, buffer, 32); // async ID
            SMBUtil.writeInt8(456L, buffer, 40); // session ID
            return buffer;
        }

        private byte[] createErrorResponseMessage() {

    @Test
    void testInt2ReadWrite() {
        byte[] buffer = new byte[2];
        ServerMessageBlock.writeInt2(0x1234, buffer, 0);
        assertEquals(0x1234, ServerMessageBlock.readInt2(buffer, 0));
    }

    @Test
    void testInt4ReadWrite() {
        byte[] buffer = new byte[4];
        ServerMessageBlock.writeInt4(0x12345678, buffer, 0);
        assertEquals(0x12345678, ServerMessageBlock.readInt4(buffer, 0));
    }

        final int start = dstIndex;

        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(Trans2QueryPathInformation.mapInformationLevel(this.info.getFileInformationLevel()), dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(0, dst, dstIndex);
        dstIndex += 2;

        return dstIndex - start;
    }

    @Override

        final int start = dstIndex;
        SMBUtil.writeInt2(36, dst, dstIndex);
        SMBUtil.writeInt2(this.dialects.length, dst, dstIndex + 2);
        dstIndex += 4;

        SMBUtil.writeInt2(this.securityMode, dst, dstIndex);
        SMBUtil.writeInt2(0, dst, dstIndex + 2); // Reserved
        dstIndex += 4;

        SMBUtil.writeInt4(this.capabilities, dst, dstIndex);
        dstIndex += 4;

            SMBUtil.writeInt2(transformOffset, dst, dstIndex); // writeChannelInfoOffset
            SMBUtil.writeInt2(16, dst, dstIndex + 2); // writeChannelInfoLength (size of SMB2_RDMA_TRANSFORM)
        } else {
            SMBUtil.writeInt2(0, dst, dstIndex); // writeChannelInfoOffset
            SMBUtil.writeInt2(0, dst, dstIndex + 2); // writeChannelInfoLength
        }
        dstIndex += 4;

        dstIndex += 2;
        SMBUtil.writeInt4(this.flags0, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.rootDirectoryFid, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.desiredAccess, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.allocationSize, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt4(this.extFileAttributes, dst, dstIndex);